Home / 1,591,117.56-2,195,187.96-902,708.28

Finding the Fourth Proportional to 1,591,117.56, 2,195,187.96 and 902,708.28

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Solution

The fourth proportional to 1,591,117.56, 2,195,187.96 and 902,708.28 is: 1,245,422.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,117.56 : 2,195,187.96 = 902,708.28 : x
  2. Step 2: Convert to fraction form
    1,591,117.56/2,195,187.96 = 902,708.28/x
  3. Step 3: Cross multiply
    1,591,117.56x = 2,195,187.96 × 902,708.28
  4. Step 4: Simplify right side
    1,591,117.56x = 1,981,614,347,648.31
  5. Step 5: Solve for x
    x = 1,981,614,347,648.31/1,591,117.56
  6. Step 6: Final answer
    x = 1,245,422.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.